102146003447 has 2 divisors, whose sum is σ = 102146003448. Its totient is φ = 102146003446.

The previous prime is 102146003441. The next prime is 102146003461. The reversal of 102146003447 is 744300641201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102146003447 - 2⁴ = 102146003431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102146003441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51073001723 + 51073001724.

It is an arithmetic number, because the mean of its divisors is an integer number (51073001724).

Almost surely, 2^102146003447 is an apocalyptic number.

102146003447 is a deficient number, since it is larger than the sum of its proper divisors (1).

102146003447 is an equidigital number, since it uses as much as digits as its factorization.

102146003447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 102146003447 its reverse (744300641201), we get a palindrome (846446644648).

The spelling of 102146003447 in words is "one hundred two billion, one hundred forty-six million, three thousand, four hundred forty-seven".